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Asteroid General Data
General information
| Preliminary designation | 2021 EA
| | Group | Apollo
| | Absolute magnitude | 28.00
| | Approximate diameter (m) | 7
| | Approximate mass (kg) | 5.44·105
| | Number of observations | 105
| | Arc length (days) | 1
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Approaches
Date | Object | r, AU | r, km
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| 03/02/2021 03:07:12 PM | Earth | 0.000627 | 93 822
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Details...
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Orbit initial data
| Date of initial data | 06/09/2026
| | M – mean anomaly (degrees) | 172.256004
| | a – orbit major semiaxis (astronomical units) | 1.29753483
| | e – orbit eccentricity | 0.32634842
| | ω – orbit ascending node-perihelion angle (degrees) | 238.360727
| | Ω – longitude of orbit ascending node (degrees) | 342.142951
| | i – orbit inclination to the ecliptic plane (degrees) | 7.852576
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Details...
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Orbital evolution
Date | M | a | e | ω | Ω | i | q | P
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| 01/13/1829 | 110.604487 | 1.32481004 | 0.34214107 | 235.666785 | 344.166090 | 6.521436 | 0.87153811 | 1.524864
| | 01/21/1858 | 114.452597 | 1.32653068 | 0.34276674 | 235.853882 | 343.886151 | 6.510212 | 0.87184008 | 1.527835
| | 01/29/1887 | 112.915908 | 1.32686300 | 0.34274886 | 236.197124 | 343.611814 | 6.500782 | 0.87208221 | 1.528410
| | 02/07/1916 | 106.368294 | 1.32732031 | 0.34283312 | 236.443702 | 343.328417 | 6.487629 | 0.87227095 | 1.529200
| | 02/14/1945 | 88.433483 | 1.32923848 | 0.34351782 | 236.597674 | 343.038464 | 6.478044 | 0.87262137 | 1.532516
| | 02/22/1974 | 71.268891 | 1.32837443 | 0.34321251 | 236.994183 | 342.744421 | 6.470481 | 0.87245970 | 1.531022
| | 03/02/2003 | 55.636717 | 1.32771444 | 0.34298126 | 237.444985 | 342.415211 | 6.470737 | 0.87233327 | 1.529881
| | 03/09/2032 | 132.605108 | 1.29739796 | 0.32628721 | 238.394365 | 342.114413 | 7.851817 | 0.87407360 | 1.477782
| | 03/17/2061 | 7.917254 | 1.29292635 | 0.32470106 | 239.156644 | 341.813305 | 7.862347 | 0.87311179 | 1.470149
| | 03/25/2090 | 278.562217 | 1.29098778 | 0.32412305 | 239.601986 | 341.587844 | 7.859771 | 0.87254888 | 1.466844
| | 04/03/2119 | 129.086926 | 1.30536297 | 0.32963567 | 238.627484 | 341.291117 | 7.729402 | 0.87506877 | 1.491412
| | 04/10/2148 | 295.388731 | 1.30511142 | 0.32947242 | 238.899564 | 341.096432 | 7.722286 | 0.87511321 | 1.490981
| | 04/18/2177 | 99.423713 | 1.30642167 | 0.32984068 | 239.241221 | 340.863478 | 7.716783 | 0.87551066 | 1.493226
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Detailed table...
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Graphs...
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3D animation...
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Calculation on the date...
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